Alan Guttmacher Institute (AGI) Nonprofit organization focused on sexual and reproductive health research, policy analysis, and public education. Publications include Family Planning Perspectives, International Family Planning Perspectives, The Guttmacher Report on Public Policy and special reports on sexual and reproductive health and rights.

American Social Health Association (ASHA) Authority on STD education and patient advocacy, ASHA's mission is to stop sexually transmitted diseases and their harmful consequences to individuals, families, and communities. Site features facts and answers about STDs, and information on ASHA and CDC hotlines.

International Planned Parenthood Federation (IPPF) Links national autonomous family planning associations in over 180 countries worldwide and is the largest voluntary organization in the world to be concerned with family planning and sexual and reproductive health.

Lesbian STD Home Page A project of the University of Washington in Seattle whose goal is to provide information and resources regarding sexually transmitted diseases in women who have sex with women and to further knowledge about lesbian STDs through research.

National Network of STD/HIV Prevention Training Centers (PTCs) CDC-funded network dedicated to increasing the knowledge and skills of health professionals in the areas of sexual and reproductive health. The National Network provides health professionals with a spectrum of state-of-the-art educational opportunities, including experiential learning with an emphasis on prevention.

Planned Parenthood Information on STDs and safer sex from the Planned Parenthood Federation of America.